package dfbz.demo03;
public class Test07 {
    public static void main(String[] args) {
        xunhuan();
    }
    public static void xunhuan() {
        int factorial = 1;
        for (int i = 1; i <= 7; i++) {
            factorial *= i;
        }
        System.out.println(factorial);
    }
}
